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It's back to school week – and for Merseyside Apple fans, that means new iPhone week , with the technology giant widely expected to unveil its next flagship smartphone on Wednesday.

The internet is rife with rumours and predictions from industry analysts and tech media experts, along with several supposed leaked images.

Many show the casing or materials that are believed to be in the new smartphone.

Here’s a round-up of the latest rumours and predictions:

Better image quality?

Well-connected analyst Ming-Chi Kuo of KGI Securities has issued a new research note, claiming that the iPhone 7 will include one very useful feature for photo fanatics.

The phone will reportedly have four LED flash lights - two in cool colours, and two in warm colours - and an ambient light sensor.

While the iPhone 6s ‘ camera is widely praised, it still struggles to take good photos in low-light situations. These additions should theoretically improve image quality.

It is unclear whether the new features will appear on the 4.7-inch iPhone 7 or just the 5.5-inch iPhone 7 Plus, which is also expected to feature a dual-lens camera capable of taking SLR-quality photos.

A photo claiming to be of the iPhone 7 Plus has surfaced on Chinese website Bastille Post , fueling rumours that the smartphone will feature a dual-lens camera.

The picture shows a protruding, pill-shaped enclosure - which differs from the two separate circular camera openings depicted in some other online renderings.